strace/tests/qual_syscall.test
Dmitry V. Levin 7b6d66f215 tests: fix another regression in qual_syscall.test
* tests/qual_syscall.test: Fix pattern_nonabbrev_verbose pattern.
(check_output_mismatch): Print the pattern that triggered match failure.
2016-10-03 12:13:19 +00:00

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#!/bin/sh
# Check how strace -e abbrev=set, -e raw=set, -e trace=set,
# and -e verbose=set work.
. "${srcdir=.}/init.sh"
run_prog ./umovestr
pattern_abbrev_verbose='execve("\./umovestr", \["\./umovestr"\], \[/\* [[:digit:]]* vars \*/\]) = 0'
pattern_nonabbrev_verbose='execve("\./umovestr", \["\./umovestr"\], \[".*\"\(\.\.\.\)\?\]) = 0'
pattern_nonverbose='execve("\./umovestr", 0x[[:xdigit:]]*, 0x[[:xdigit:]]*) = 0'
pattern_raw='execve(0x[[:xdigit:]]*, 0x[[:xdigit:]]*, 0x[[:xdigit:]]*) = 0'
check_output_mismatch()
{
local pattern
pattern="$1"; shift
run_strace "$@" ./umovestr
LC_ALL=C grep -x "$pattern" "$LOG" > /dev/null || {
printf '%s\n%s\n' \
'Failed patterns of expected output:' "$pattern"
dump_log_and_fail_with "$STRACE $args output mismatch"
}
}
check_output_mismatch "$pattern_abbrev_verbose" -e execve
LC_ALL=C grep -v -x "$pattern_abbrev_verbose" "$LOG" |
LC_ALL=C grep '^[[:alnum:]_]*(' > /dev/null &&
dump_log_and_fail_with "$STRACE $args unexpected output"
check_output_mismatch "$pattern_abbrev_verbose" -e trace=process
LC_ALL=C grep '^chdir' "$LOG" > /dev/null &&
dump_log_and_fail_with "$STRACE $args unexpected output"
run_strace -e 42 ./umovestr
LC_ALL=C grep '^[[:alnum:]_]*(' "$LOG" > /dev/null &&
dump_log_and_fail_with "$STRACE $args unexpected output"
for a in execve \!chdir all \!none \
file process \!desc \!ipc \!memory \!network \!signal; do
check_output_mismatch \
"$pattern_abbrev_verbose" -e abbrev="$a" -e execve
check_output_mismatch \
"$pattern_raw" -a22 -e raw="$a" -e execve
check_output_mismatch \
"$pattern_abbrev_verbose" -e verbose="$a" -e execve
done
for a in \!execve chdir 42 \!all none \
\!file \!process desc ipc memory network signal; do
check_output_mismatch \
"$pattern_nonabbrev_verbose" -e abbrev="$a" -e execve
check_output_mismatch \
"$pattern_abbrev_verbose" -e raw="$a" -e execve
check_output_mismatch \
"$pattern_nonverbose" -a31 -e verbose="$a" -e execve
done
exit 0